1 /*
2  * Copyright 2005 Stephane Marchesin.
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 #include <linux/console.h>
26 #include <linux/module.h>
27 
28 #include "drmP.h"
29 #include "drm.h"
30 #include "drm_crtc_helper.h"
31 #include "nouveau_drv.h"
32 #include "nouveau_hw.h"
33 #include "nouveau_fb.h"
34 #include "nouveau_fbcon.h"
35 #include "nouveau_pm.h"
36 #include "nv50_display.h"
37 
38 #include "drm_pciids.h"
39 
40 MODULE_PARM_DESC(agpmode, "AGP mode (0 to disable AGP)");
41 int nouveau_agpmode = -1;
42 module_param_named(agpmode, nouveau_agpmode, int, 0400);
43 
44 MODULE_PARM_DESC(modeset, "Enable kernel modesetting");
45 int nouveau_modeset = -1;
46 module_param_named(modeset, nouveau_modeset, int, 0400);
47 
48 MODULE_PARM_DESC(vbios, "Override default VBIOS location");
49 char *nouveau_vbios;
50 module_param_named(vbios, nouveau_vbios, charp, 0400);
51 
52 MODULE_PARM_DESC(vram_pushbuf, "Force DMA push buffers to be in VRAM");
53 int nouveau_vram_pushbuf;
54 module_param_named(vram_pushbuf, nouveau_vram_pushbuf, int, 0400);
55 
56 MODULE_PARM_DESC(vram_notify, "Force DMA notifiers to be in VRAM");
57 int nouveau_vram_notify = 0;
58 module_param_named(vram_notify, nouveau_vram_notify, int, 0400);
59 
60 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (>=GeForce 8)");
61 int nouveau_duallink = 1;
62 module_param_named(duallink, nouveau_duallink, int, 0400);
63 
64 MODULE_PARM_DESC(uscript_lvds, "LVDS output script table ID (>=GeForce 8)");
65 int nouveau_uscript_lvds = -1;
66 module_param_named(uscript_lvds, nouveau_uscript_lvds, int, 0400);
67 
68 MODULE_PARM_DESC(uscript_tmds, "TMDS output script table ID (>=GeForce 8)");
69 int nouveau_uscript_tmds = -1;
70 module_param_named(uscript_tmds, nouveau_uscript_tmds, int, 0400);
71 
72 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
73 int nouveau_ignorelid = 0;
74 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
75 
76 MODULE_PARM_DESC(noaccel, "Disable all acceleration");
77 int nouveau_noaccel = -1;
78 module_param_named(noaccel, nouveau_noaccel, int, 0400);
79 
80 MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration");
81 int nouveau_nofbaccel = 0;
82 module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400);
83 
84 MODULE_PARM_DESC(force_post, "Force POST");
85 int nouveau_force_post = 0;
86 module_param_named(force_post, nouveau_force_post, int, 0400);
87 
88 MODULE_PARM_DESC(override_conntype, "Ignore DCB connector type");
89 int nouveau_override_conntype = 0;
90 module_param_named(override_conntype, nouveau_override_conntype, int, 0400);
91 
92 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection\n");
93 int nouveau_tv_disable = 0;
94 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
95 
96 MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
97 		 "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
98 		 "\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"
99 		 "\t\tDefault: PAL\n"
100 		 "\t\t*NOTE* Ignored for cards with external TV encoders.");
101 char *nouveau_tv_norm;
102 module_param_named(tv_norm, nouveau_tv_norm, charp, 0400);
103 
104 MODULE_PARM_DESC(reg_debug, "Register access debug bitmask:\n"
105 		"\t\t0x1 mc, 0x2 video, 0x4 fb, 0x8 extdev,\n"
106 		"\t\t0x10 crtc, 0x20 ramdac, 0x40 vgacrtc, 0x80 rmvio,\n"
107 		"\t\t0x100 vgaattr, 0x200 EVO (G80+). ");
108 int nouveau_reg_debug;
109 module_param_named(reg_debug, nouveau_reg_debug, int, 0600);
110 
111 MODULE_PARM_DESC(perflvl, "Performance level (default: boot)\n");
112 char *nouveau_perflvl;
113 module_param_named(perflvl, nouveau_perflvl, charp, 0400);
114 
115 MODULE_PARM_DESC(perflvl_wr, "Allow perflvl changes (warning: dangerous!)\n");
116 int nouveau_perflvl_wr;
117 module_param_named(perflvl_wr, nouveau_perflvl_wr, int, 0400);
118 
119 MODULE_PARM_DESC(msi, "Enable MSI (default: off)\n");
120 int nouveau_msi;
121 module_param_named(msi, nouveau_msi, int, 0400);
122 
123 MODULE_PARM_DESC(ctxfw, "Use external HUB/GPC ucode (fermi)\n");
124 int nouveau_ctxfw;
125 module_param_named(ctxfw, nouveau_ctxfw, int, 0400);
126 
127 MODULE_PARM_DESC(mxmdcb, "Santise DCB table according to MXM-SIS\n");
128 int nouveau_mxmdcb = 1;
129 module_param_named(mxmdcb, nouveau_mxmdcb, int, 0400);
130 
131 int nouveau_fbpercrtc;
132 #if 0
133 module_param_named(fbpercrtc, nouveau_fbpercrtc, int, 0400);
134 #endif
135 
136 static struct pci_device_id pciidlist[] = {
137 	{
138 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
139 		.class = PCI_BASE_CLASS_DISPLAY << 16,
140 		.class_mask  = 0xff << 16,
141 	},
142 	{
143 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
144 		.class = PCI_BASE_CLASS_DISPLAY << 16,
145 		.class_mask  = 0xff << 16,
146 	},
147 	{}
148 };
149 
150 MODULE_DEVICE_TABLE(pci, pciidlist);
151 
152 static struct drm_driver driver;
153 
154 static int __devinit
nouveau_pci_probe(struct pci_dev * pdev,const struct pci_device_id * ent)155 nouveau_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
156 {
157 	return drm_get_pci_dev(pdev, ent, &driver);
158 }
159 
160 static void
nouveau_pci_remove(struct pci_dev * pdev)161 nouveau_pci_remove(struct pci_dev *pdev)
162 {
163 	struct drm_device *dev = pci_get_drvdata(pdev);
164 
165 	drm_put_dev(dev);
166 }
167 
168 int
nouveau_pci_suspend(struct pci_dev * pdev,pm_message_t pm_state)169 nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
170 {
171 	struct drm_device *dev = pci_get_drvdata(pdev);
172 	struct drm_nouveau_private *dev_priv = dev->dev_private;
173 	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
174 	struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
175 	struct nouveau_channel *chan;
176 	struct drm_crtc *crtc;
177 	int ret, i, e;
178 
179 	if (pm_state.event == PM_EVENT_PRETHAW)
180 		return 0;
181 
182 	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
183 		return 0;
184 
185 	NV_INFO(dev, "Disabling display...\n");
186 	nouveau_display_fini(dev);
187 
188 	NV_INFO(dev, "Disabling fbcon...\n");
189 	nouveau_fbcon_set_suspend(dev, 1);
190 
191 	NV_INFO(dev, "Unpinning framebuffer(s)...\n");
192 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
193 		struct nouveau_framebuffer *nouveau_fb;
194 
195 		nouveau_fb = nouveau_framebuffer(crtc->fb);
196 		if (!nouveau_fb || !nouveau_fb->nvbo)
197 			continue;
198 
199 		nouveau_bo_unpin(nouveau_fb->nvbo);
200 	}
201 
202 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
203 		struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
204 
205 		nouveau_bo_unmap(nv_crtc->cursor.nvbo);
206 		nouveau_bo_unpin(nv_crtc->cursor.nvbo);
207 	}
208 
209 	NV_INFO(dev, "Evicting buffers...\n");
210 	ttm_bo_evict_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
211 
212 	NV_INFO(dev, "Idling channels...\n");
213 	for (i = 0; i < pfifo->channels; i++) {
214 		chan = dev_priv->channels.ptr[i];
215 
216 		if (chan && chan->pushbuf_bo)
217 			nouveau_channel_idle(chan);
218 	}
219 
220 	pfifo->reassign(dev, false);
221 	pfifo->disable(dev);
222 	pfifo->unload_context(dev);
223 
224 	for (e = NVOBJ_ENGINE_NR - 1; e >= 0; e--) {
225 		if (!dev_priv->eng[e])
226 			continue;
227 
228 		ret = dev_priv->eng[e]->fini(dev, e, true);
229 		if (ret) {
230 			NV_ERROR(dev, "... engine %d failed: %d\n", e, ret);
231 			goto out_abort;
232 		}
233 	}
234 
235 	ret = pinstmem->suspend(dev);
236 	if (ret) {
237 		NV_ERROR(dev, "... failed: %d\n", ret);
238 		goto out_abort;
239 	}
240 
241 	NV_INFO(dev, "Suspending GPU objects...\n");
242 	ret = nouveau_gpuobj_suspend(dev);
243 	if (ret) {
244 		NV_ERROR(dev, "... failed: %d\n", ret);
245 		pinstmem->resume(dev);
246 		goto out_abort;
247 	}
248 
249 	NV_INFO(dev, "And we're gone!\n");
250 	pci_save_state(pdev);
251 	if (pm_state.event == PM_EVENT_SUSPEND) {
252 		pci_disable_device(pdev);
253 		pci_set_power_state(pdev, PCI_D3hot);
254 	}
255 
256 	return 0;
257 
258 out_abort:
259 	NV_INFO(dev, "Re-enabling acceleration..\n");
260 	for (e = e + 1; e < NVOBJ_ENGINE_NR; e++) {
261 		if (dev_priv->eng[e])
262 			dev_priv->eng[e]->init(dev, e);
263 	}
264 	pfifo->enable(dev);
265 	pfifo->reassign(dev, true);
266 	return ret;
267 }
268 
269 int
nouveau_pci_resume(struct pci_dev * pdev)270 nouveau_pci_resume(struct pci_dev *pdev)
271 {
272 	struct drm_device *dev = pci_get_drvdata(pdev);
273 	struct drm_nouveau_private *dev_priv = dev->dev_private;
274 	struct nouveau_engine *engine = &dev_priv->engine;
275 	struct drm_crtc *crtc;
276 	int ret, i;
277 
278 	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
279 		return 0;
280 
281 	NV_INFO(dev, "We're back, enabling device...\n");
282 	pci_set_power_state(pdev, PCI_D0);
283 	pci_restore_state(pdev);
284 	if (pci_enable_device(pdev))
285 		return -1;
286 	pci_set_master(dev->pdev);
287 
288 	/* Make sure the AGP controller is in a consistent state */
289 	if (dev_priv->gart_info.type == NOUVEAU_GART_AGP)
290 		nouveau_mem_reset_agp(dev);
291 
292 	/* Make the CRTCs accessible */
293 	engine->display.early_init(dev);
294 
295 	NV_INFO(dev, "POSTing device...\n");
296 	ret = nouveau_run_vbios_init(dev);
297 	if (ret)
298 		return ret;
299 
300 	if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
301 		ret = nouveau_mem_init_agp(dev);
302 		if (ret) {
303 			NV_ERROR(dev, "error reinitialising AGP: %d\n", ret);
304 			return ret;
305 		}
306 	}
307 
308 	NV_INFO(dev, "Restoring GPU objects...\n");
309 	nouveau_gpuobj_resume(dev);
310 
311 	NV_INFO(dev, "Reinitialising engines...\n");
312 	engine->instmem.resume(dev);
313 	engine->mc.init(dev);
314 	engine->timer.init(dev);
315 	engine->fb.init(dev);
316 	for (i = 0; i < NVOBJ_ENGINE_NR; i++) {
317 		if (dev_priv->eng[i])
318 			dev_priv->eng[i]->init(dev, i);
319 	}
320 	engine->fifo.init(dev);
321 
322 	nouveau_irq_postinstall(dev);
323 
324 	/* Re-write SKIPS, they'll have been lost over the suspend */
325 	if (nouveau_vram_pushbuf) {
326 		struct nouveau_channel *chan;
327 		int j;
328 
329 		for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
330 			chan = dev_priv->channels.ptr[i];
331 			if (!chan || !chan->pushbuf_bo)
332 				continue;
333 
334 			for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
335 				nouveau_bo_wr32(chan->pushbuf_bo, i, 0);
336 		}
337 	}
338 
339 	nouveau_pm_resume(dev);
340 
341 	NV_INFO(dev, "Restoring mode...\n");
342 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
343 		struct nouveau_framebuffer *nouveau_fb;
344 
345 		nouveau_fb = nouveau_framebuffer(crtc->fb);
346 		if (!nouveau_fb || !nouveau_fb->nvbo)
347 			continue;
348 
349 		nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
350 	}
351 
352 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
353 		struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
354 
355 		ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
356 		if (!ret)
357 			ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
358 		if (ret)
359 			NV_ERROR(dev, "Could not pin/map cursor.\n");
360 	}
361 
362 	nouveau_fbcon_set_suspend(dev, 0);
363 	nouveau_fbcon_zfill_all(dev);
364 
365 	nouveau_display_init(dev);
366 
367 	/* Force CLUT to get re-loaded during modeset */
368 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
369 		struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
370 
371 		nv_crtc->lut.depth = 0;
372 	}
373 
374 	drm_helper_resume_force_mode(dev);
375 
376 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
377 		struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
378 		u32 offset = nv_crtc->cursor.nvbo->bo.offset;
379 
380 		nv_crtc->cursor.set_offset(nv_crtc, offset);
381 		nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
382 						 nv_crtc->cursor_saved_y);
383 	}
384 
385 	return 0;
386 }
387 
388 static const struct file_operations nouveau_driver_fops = {
389 	.owner = THIS_MODULE,
390 	.open = drm_open,
391 	.release = drm_release,
392 	.unlocked_ioctl = drm_ioctl,
393 	.mmap = nouveau_ttm_mmap,
394 	.poll = drm_poll,
395 	.fasync = drm_fasync,
396 	.read = drm_read,
397 #if defined(CONFIG_COMPAT)
398 	.compat_ioctl = nouveau_compat_ioctl,
399 #endif
400 	.llseek = noop_llseek,
401 };
402 
403 static struct drm_driver driver = {
404 	.driver_features =
405 		DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
406 		DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
407 		DRIVER_MODESET,
408 	.load = nouveau_load,
409 	.firstopen = nouveau_firstopen,
410 	.lastclose = nouveau_lastclose,
411 	.unload = nouveau_unload,
412 	.open = nouveau_open,
413 	.preclose = nouveau_preclose,
414 	.postclose = nouveau_postclose,
415 #if defined(CONFIG_DRM_NOUVEAU_DEBUG)
416 	.debugfs_init = nouveau_debugfs_init,
417 	.debugfs_cleanup = nouveau_debugfs_takedown,
418 #endif
419 	.irq_preinstall = nouveau_irq_preinstall,
420 	.irq_postinstall = nouveau_irq_postinstall,
421 	.irq_uninstall = nouveau_irq_uninstall,
422 	.irq_handler = nouveau_irq_handler,
423 	.get_vblank_counter = drm_vblank_count,
424 	.enable_vblank = nouveau_vblank_enable,
425 	.disable_vblank = nouveau_vblank_disable,
426 	.reclaim_buffers = drm_core_reclaim_buffers,
427 	.ioctls = nouveau_ioctls,
428 	.fops = &nouveau_driver_fops,
429 	.gem_init_object = nouveau_gem_object_new,
430 	.gem_free_object = nouveau_gem_object_del,
431 	.gem_open_object = nouveau_gem_object_open,
432 	.gem_close_object = nouveau_gem_object_close,
433 
434 	.dumb_create = nouveau_display_dumb_create,
435 	.dumb_map_offset = nouveau_display_dumb_map_offset,
436 	.dumb_destroy = nouveau_display_dumb_destroy,
437 
438 	.name = DRIVER_NAME,
439 	.desc = DRIVER_DESC,
440 #ifdef GIT_REVISION
441 	.date = GIT_REVISION,
442 #else
443 	.date = DRIVER_DATE,
444 #endif
445 	.major = DRIVER_MAJOR,
446 	.minor = DRIVER_MINOR,
447 	.patchlevel = DRIVER_PATCHLEVEL,
448 };
449 
450 static struct pci_driver nouveau_pci_driver = {
451 		.name = DRIVER_NAME,
452 		.id_table = pciidlist,
453 		.probe = nouveau_pci_probe,
454 		.remove = nouveau_pci_remove,
455 		.suspend = nouveau_pci_suspend,
456 		.resume = nouveau_pci_resume
457 };
458 
nouveau_init(void)459 static int __init nouveau_init(void)
460 {
461 	driver.num_ioctls = nouveau_max_ioctl;
462 
463 	if (nouveau_modeset == -1) {
464 #ifdef CONFIG_VGA_CONSOLE
465 		if (vgacon_text_force())
466 			nouveau_modeset = 0;
467 		else
468 #endif
469 			nouveau_modeset = 1;
470 	}
471 
472 	if (!nouveau_modeset)
473 		return 0;
474 
475 	nouveau_register_dsm_handler();
476 	return drm_pci_init(&driver, &nouveau_pci_driver);
477 }
478 
nouveau_exit(void)479 static void __exit nouveau_exit(void)
480 {
481 	if (!nouveau_modeset)
482 		return;
483 
484 	drm_pci_exit(&driver, &nouveau_pci_driver);
485 	nouveau_unregister_dsm_handler();
486 }
487 
488 module_init(nouveau_init);
489 module_exit(nouveau_exit);
490 
491 MODULE_AUTHOR(DRIVER_AUTHOR);
492 MODULE_DESCRIPTION(DRIVER_DESC);
493 MODULE_LICENSE("GPL and additional rights");
494